/* ═══════════════════════════════════════
   RESET & VARIABLES
═══════════════════════════════════════ */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }

:root {
  --ms-blue:   #0078D4;
  --ms-teal:   #00B7C3;
  --ms-purple: #7B3FE4;
  --ms-dark:   #071027;
  --ms-navy:   #0C1E3C;
  --ms-mid:    #122D5B;
  --ms-card:   rgba(255,255,255,0.04);
  --ms-border: rgba(0,183,195,0.2);
  --ms-glow:   rgba(0,120,212,0.3);
  --white:     #FFFFFF;
  --gray:      #94A3B8;
  --light:     #E8F4FD;
  --font-head: 'Syne', sans-serif;
  --font-mono: 'DM Mono', monospace;
  --font-body: 'Plus Jakarta Sans', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--ms-dark);
  color: var(--white);
  overflow-x: hidden;
  cursor: default;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--ms-dark); }
::-webkit-scrollbar-thumb { background: var(--ms-blue); border-radius: 2px; }

/* ═══════════════════════════════════════
   BACKGROUND GRID
═══════════════════════════════════════ */
.bg-grid {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(0,183,195,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,183,195,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}
.bg-glow-1 {
  position: fixed; top: -200px; left: -200px; width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0,120,212,0.15) 0%, transparent 70%);
  pointer-events: none; z-index: 0;
  animation: float1 8s ease-in-out infinite;
}
.bg-glow-2 {
  position: fixed; bottom: -200px; right: -100px; width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(0,183,195,0.12) 0%, transparent 70%);
  pointer-events: none; z-index: 0;
  animation: float2 10s ease-in-out infinite;
}
@keyframes float1 { 0%,100%{transform:translate(0,0)} 50%{transform:translate(40px,30px)} }
@keyframes float2 { 0%,100%{transform:translate(0,0)} 50%{transform:translate(-30px,-40px)} }

/* ═══════════════════════════════════════
   NAV
═══════════════════════════════════════ */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 16px 40px;
  display: flex; align-items: center; justify-content: space-between;
  background: rgba(7,16,39,0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--ms-border);
}
.nav-logo {
  font-family: var(--font-head);
  font-size: 18px; font-weight: 800;
  background: linear-gradient(135deg, var(--ms-blue), var(--ms-teal));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  text-decoration: none;
}
.nav-links { display: flex; gap: 32px; list-style: none; }
.nav-links a {
  font-family: var(--font-mono); font-size: 12px; font-weight: 400;
  color: var(--gray); text-decoration: none; letter-spacing: 1px;
  text-transform: uppercase; transition: color 0.2s;
}
.nav-links a:hover { color: var(--ms-teal); }
.nav-cta {
  font-family: var(--font-mono); font-size: 12px;
  background: var(--ms-blue); color: #fff;
  padding: 8px 20px; border-radius: 4px;
  text-decoration: none; letter-spacing: 1px; text-transform: uppercase;
  transition: background 0.2s;
}
.nav-cta:hover { background: #0066BB; }

/* ═══════════════════════════════════════
   HERO
═══════════════════════════════════════ */
#hero {
  position: relative; z-index: 1;
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 100px 40px 60px;
}
.hero-inner { max-width: 900px; width: 100%; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(0,183,195,0.1); border: 1px solid rgba(0,183,195,0.3);
  padding: 6px 14px; border-radius: 20px; margin-bottom: 28px;
}
.badge-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--ms-teal);
  box-shadow: 0 0 8px var(--ms-teal);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.6;transform:scale(0.85)} }
.badge-text { font-family: var(--font-mono); font-size: 11px; color: var(--ms-teal); letter-spacing: 1.5px; text-transform: uppercase; }

.hero-name {
  font-family: var(--font-head);
  font-size: clamp(42px, 7vw, 80px);
  font-weight: 800; line-height: 1.0;
  letter-spacing: -2px;
  margin-bottom: 12px;
}
.hero-name .name-light { color: rgba(255,255,255,0.9); }
.hero-name .name-blue  { background: linear-gradient(135deg, var(--ms-blue), var(--ms-teal)); -webkit-background-clip:text; -webkit-text-fill-color:transparent; }

.hero-role {
  font-family: var(--font-mono); font-size: 14px;
  color: var(--gray); letter-spacing: 2px;
  text-transform: uppercase; margin-bottom: 28px;
}
.hero-role span { color: var(--ms-teal); }

.hero-desc {
  font-size: 16px; line-height: 1.8; color: rgba(255,255,255,0.65);
  max-width: 560px; margin-bottom: 40px;
}
.hero-desc strong { color: var(--ms-teal); font-weight: 600; }

.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; }
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: linear-gradient(135deg, var(--ms-blue), #0066BB);
  color: #fff; padding: 14px 28px; border-radius: 6px;
  font-family: var(--font-body); font-size: 14px; font-weight: 600;
  text-decoration: none; transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 20px rgba(0,120,212,0.4);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0,120,212,0.5); }
.btn-secondary {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent; border: 1px solid var(--ms-border);
  color: var(--ms-teal); padding: 14px 28px; border-radius: 6px;
  font-family: var(--font-body); font-size: 14px; font-weight: 600;
  text-decoration: none; transition: all 0.2s;
}
.btn-secondary:hover { background: rgba(0,183,195,0.1); border-color: var(--ms-teal); }

.hero-stats {
  margin-top: 60px;
  display: flex; gap: 40px; flex-wrap: wrap;
  padding-top: 40px;
  border-top: 1px solid var(--ms-border);
}
.stat-item { }
.stat-num {
  font-family: var(--font-head); font-size: 36px; font-weight: 800;
  background: linear-gradient(135deg, var(--ms-blue), var(--ms-teal));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  line-height: 1;
}
.stat-lbl { font-size: 12px; color: var(--gray); margin-top: 4px; letter-spacing: 0.5px; }

/* ═══════════════════════════════════════
   SECTIONS COMMUNS
═══════════════════════════════════════ */
section { position: relative; z-index: 1; padding: 100px 40px; max-width: 1100px; margin: 0 auto; }

.sec-tag {
  font-family: var(--font-mono); font-size: 11px;
  color: var(--ms-teal); letter-spacing: 2px; text-transform: uppercase;
  margin-bottom: 12px; display: block;
}
.sec-title {
  font-family: var(--font-head); font-size: clamp(28px, 4vw, 44px);
  font-weight: 800; line-height: 1.1;
  margin-bottom: 16px;
}
.sec-title .accent { background: linear-gradient(135deg, var(--ms-blue), var(--ms-teal)); -webkit-background-clip:text; -webkit-text-fill-color:transparent; }
.sec-sub { font-size: 15px; color: var(--gray); line-height: 1.7; max-width: 540px; margin-bottom: 50px; }

.divider-line {
  height: 1px;
  background: linear-gradient(90deg, var(--ms-blue), var(--ms-teal), transparent);
  margin-bottom: 60px; border: none;
}

/* ═══════════════════════════════════════
   CARDS
═══════════════════════════════════════ */
.card {
  background: var(--ms-card);
  border: 1px solid var(--ms-border);
  border-radius: 12px; padding: 28px;
  backdrop-filter: blur(10px);
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}
.card:hover {
  border-color: var(--ms-teal);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,120,212,0.15);
}

/* ═══════════════════════════════════════
   PARCOURS
═══════════════════════════════════════ */
#parcours .timeline {
  position: relative;
  padding-left: 32px;
}
#parcours .timeline::before {
  content: '';
  position: absolute; left: 0; top: 6px; bottom: 6px; width: 2px;
  background: linear-gradient(180deg, var(--ms-blue), var(--ms-teal), transparent);
  border-radius: 1px;
}
.tl-item {
  position: relative; padding-bottom: 40px;
  animation: fadeUp 0.6s ease both;
}
.tl-item:last-child { padding-bottom: 0; }
.tl-dot {
  position: absolute; left: -38px; top: 4px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--ms-blue);
  border: 2px solid var(--ms-dark);
  box-shadow: 0 0 12px var(--ms-blue);
}
.tl-date {
  font-family: var(--font-mono); font-size: 11px;
  color: var(--ms-teal); letter-spacing: 1px; text-transform: uppercase;
  margin-bottom: 6px;
}
.tl-role { font-family: var(--font-head); font-size: 18px; font-weight: 700; margin-bottom: 4px; }
.tl-company { font-size: 13px; color: var(--ms-teal); font-weight: 600; margin-bottom: 10px; }
.tl-desc { font-size: 13px; color: var(--gray); line-height: 1.7; }
.tl-desc li { margin-bottom: 4px; padding-left: 14px; position: relative; }
.tl-desc li::before { content: '▸'; position: absolute; left: 0; color: var(--ms-blue); font-size: 9px; top: 3px; }

/* ═══════════════════════════════════════
   CERTIFICATIONS
═══════════════════════════════════════ */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}
.cert-card {
  background: var(--ms-card);
  border: 1px solid var(--ms-border);
  border-radius: 12px; padding: 24px;
  backdrop-filter: blur(10px);
  transition: all 0.3s; position: relative; overflow: hidden;
}
.cert-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--ms-blue), var(--ms-teal));
}
.cert-card:hover { border-color: var(--ms-teal); transform: translateY(-4px); box-shadow: 0 12px 30px rgba(0,120,212,0.2); }
.cert-card.obtained::before { background: linear-gradient(90deg, #22C55E, var(--ms-teal)); }
.cert-card.prep::before { background: linear-gradient(90deg, var(--ms-blue), var(--ms-purple)); }

.cert-status {
  display: inline-flex; align-items: center; gap: 5px;
  font-family: var(--font-mono); font-size: 9px; letter-spacing: 1px; text-transform: uppercase;
  padding: 4px 10px; border-radius: 20px; margin-bottom: 14px;
}
.cert-status.obtained { background: rgba(34,197,94,0.15); color: #22C55E; border: 1px solid rgba(34,197,94,0.3); }
.cert-status.prep     { background: rgba(123,63,228,0.15); color: #A78BFA; border: 1px solid rgba(123,63,228,0.3); }
.cert-status-dot { width: 5px; height: 5px; border-radius: 50%; background: currentColor; }

.cert-logo { font-size: 28px; margin-bottom: 10px; }
.cert-code { font-family: var(--font-head); font-size: 22px; font-weight: 800; color: var(--white); margin-bottom: 4px; }
.cert-name { font-size: 12px; color: var(--gray); line-height: 1.5; margin-bottom: 12px; }
.cert-issuer { font-family: var(--font-mono); font-size: 10px; color: var(--ms-teal); letter-spacing: 1px; }

/* ═══════════════════════════════════════
   SKILLS
═══════════════════════════════════════ */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}
.skill-group {
  background: var(--ms-card); border: 1px solid var(--ms-border);
  border-radius: 10px; padding: 20px;
  backdrop-filter: blur(10px);
}
.skill-group-title {
  font-family: var(--font-mono); font-size: 10px;
  color: var(--ms-teal); letter-spacing: 2px; text-transform: uppercase;
  margin-bottom: 14px; padding-bottom: 10px;
  border-bottom: 1px solid var(--ms-border);
}
.skill-item { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.skill-item:last-child { margin-bottom: 0; }
.skill-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--ms-blue); flex-shrink: 0; }
.skill-dot.teal { background: var(--ms-teal); }
.skill-dot.cur  { background: var(--ms-purple); }
.skill-name { font-size: 12px; color: rgba(255,255,255,0.8); }
.skill-name.cur { font-style: italic; color: var(--gray); }

/* ═══════════════════════════════════════
   FORMATION
═══════════════════════════════════════ */
.edu-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.edu-card {
  background: var(--ms-card); border: 1px solid var(--ms-border);
  border-radius: 12px; padding: 28px; backdrop-filter: blur(10px);
  transition: all 0.3s; position: relative; overflow: hidden;
}
.edu-card:hover { border-color: var(--ms-blue); transform: translateY(-3px); }
.edu-year {
  font-family: var(--font-mono); font-size: 11px; color: var(--ms-teal);
  letter-spacing: 1px; text-transform: uppercase; margin-bottom: 10px;
}
.edu-degree { font-family: var(--font-head); font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.edu-school { font-size: 13px; color: var(--ms-blue); font-weight: 600; margin-bottom: 10px; }
.edu-detail { font-size: 12px; color: var(--gray); line-height: 1.6; }
.edu-tag {
  display: inline-block; font-size: 10px; color: rgba(255,255,255,0.6);
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1);
  padding: 3px 8px; border-radius: 3px; margin: 2px 2px 2px 0;
}

/* ═══════════════════════════════════════
   PROJETS
═══════════════════════════════════════ */
.proj-filters {
  display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 36px;
}
.filter-btn {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 1px;
  text-transform: uppercase; padding: 8px 18px; border-radius: 4px;
  border: 1px solid var(--ms-border); background: transparent;
  color: var(--gray); cursor: pointer; transition: all 0.2s;
}
.filter-btn:hover, .filter-btn.active {
  background: var(--ms-blue); color: #fff; border-color: var(--ms-blue);
}
.proj-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px; }
.proj-card {
  background: var(--ms-card); border: 1px solid var(--ms-border);
  border-radius: 12px; overflow: hidden; backdrop-filter: blur(10px);
  transition: all 0.3s; cursor: pointer;
}
.proj-card:hover { border-color: var(--ms-teal); transform: translateY(-4px); box-shadow: 0 16px 40px rgba(0,120,212,0.15); }
.proj-thumb {
  height: 140px;
  background: linear-gradient(135deg, var(--ms-navy), var(--ms-mid));
  position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.proj-thumb-icon { font-size: 40px; opacity: 0.6; }
.proj-thumb::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent, rgba(7,16,39,0.6));
}
.proj-cat-badge {
  position: absolute; top: 12px; right: 12px; z-index: 1;
  font-family: var(--font-mono); font-size: 9px; letter-spacing: 1px; text-transform: uppercase;
  padding: 4px 10px; border-radius: 20px;
}
.proj-cat-badge.pro   { background: rgba(0,120,212,0.8); color: #fff; }
.proj-cat-badge.edu   { background: rgba(0,183,195,0.8); color: #fff; }
.proj-cat-badge.perso { background: rgba(123,63,228,0.8); color: #fff; }
.proj-body { padding: 20px; }
.proj-title { font-family: var(--font-head); font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.proj-desc { font-size: 12px; color: var(--gray); line-height: 1.6; margin-bottom: 14px; }
.proj-tags { display: flex; flex-wrap: wrap; gap: 5px; }
.proj-tag {
  font-size: 10px; color: var(--ms-teal);
  background: rgba(0,183,195,0.1); border: 1px solid rgba(0,183,195,0.2);
  padding: 2px 8px; border-radius: 3px;
}

/* ═══════════════════════════════════════
   CONTACT
═══════════════════════════════════════ */
#contact { text-align: center; }
.contact-card {
  background: var(--ms-card); border: 1px solid var(--ms-border);
  border-radius: 16px; padding: 50px; backdrop-filter: blur(20px);
  max-width: 700px; margin: 0 auto;
  position: relative; overflow: hidden;
}
.contact-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--ms-blue), var(--ms-teal), var(--ms-purple));
}
.contact-links {
  display: flex; flex-wrap: wrap; gap: 14px; justify-content: center;
  margin-top: 36px;
}
.contact-link {
  display: flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,0.05); border: 1px solid var(--ms-border);
  border-radius: 8px; padding: 12px 20px;
  color: rgba(255,255,255,0.8); text-decoration: none; font-size: 13px;
  transition: all 0.2s; font-weight: 500;
}
.contact-link:hover { background: rgba(0,120,212,0.15); border-color: var(--ms-blue); color: #fff; }
.contact-link .cl-icon { font-size: 16px; }

/* ═══════════════════════════════════════
   FOOTER
═══════════════════════════════════════ */
footer {
  position: relative; z-index: 1;
  border-top: 1px solid var(--ms-border);
  padding: 30px 40px;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 16px;
}
.footer-copy { font-family: var(--font-mono); font-size: 11px; color: var(--gray); letter-spacing: 0.5px; }
.footer-tech { font-family: var(--font-mono); font-size: 11px; color: rgba(0,183,195,0.5); }

/* ═══════════════════════════════════════
   ANIMATIONS
═══════════════════════════════════════ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-up { opacity: 0; animation: fadeUp 0.6s ease both; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }

/* ═══════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════ */
@media (max-width: 768px) {
  nav { padding: 14px 20px; }
  .nav-links { display: none; }
  section { padding: 70px 20px; }
  .hero-stats { gap: 24px; }
  #hero { padding: 90px 20px 50px; }
  footer { padding: 24px 20px; flex-direction: column; text-align: center; }
}